The Capricorn Undead, also known by his human alias Yazawa, is the Category Queen of Hearts Undead and an antagonist in Kamen Rider Blade.
Kamen Rider Blade
The Capricorn Undead teamed up with the Orchid Undead to attack Blade to steal the Blay Buckle from him, only to be fought off and sealed when Kamen Rider Chalice interferes.
Kamen Rider Decade
The Capricorn Undead appeared in the World of Blade as one of the Undead assisting the Paradoxa Undead. He was destroyed by Kamen Rider Decade's Dimensional Kick.